- Sow tender bedding plants and vegetables (see below) in a heated propagator or in trays on a warm windowsill or greenhouse.
- Select seeds and buy from Dobies
Thompson & Morgan
- Order and prepare raised beds for growing vegetables and flowers from Harrod Horticultural.
- Plant Potatoes.
- Plant Perennial flowera and herbs such as marjoram, mint, rosemary and sage.
- Lift and divide congested clumps of existing perennials in theb garden.
- Plant out bulbs grown for indoor use which have finished flowering and remove their seed heads to concentrate their energy on growing the bulb itself.
- Prune tender climbers and wall shrubs if they show strong growth.
- Remove winter protection from containers later in the month when the risk of hard frost has gone, and top-dress or replant overgrown or pot-bound plants adding a slow-release fertiliser.
- Cut off dead flower spikes from summer-flowering heathers and prune young tree heathers.
- Apply a spring fertiliser to established lawns once they are actively growing and cut grass when it is about 8 cm (3 in) high.
- Prune spring-flowering shrubs over three years old as they finish flowering.
Sow and plant out vegetables including beetroot,broad beans, carrots, celeriac, kohlrabi, onions, peas, spinach, swedes and turnips.
- Sow seeds of tomatoes in a heated propagator or on a warm windowsill to grow on outdoors when all danger of frost is over.
- Mulch beds and borders while the soil is moist to reduce the need for watering and to keep down weeds.
- Sow green manures - phacelia, buckwheat, red clover, lupins, mustard, winter tares and trefoil.
Sow hardy annuals in a cold frame or unheated greenhouse.
- Now is a good to select a greenhouse to make full use of it over the coming year to grow and harvest fruit and vegetables. Buy also from Greenhouses Direct.
- Sow seeds:-
- Bedding plants such as African marigolds, petunias, lobelia and antirrhinums.
- Begonias and Pelargoniums.
- Quick-growing perennials.
Make sure pots and seed trays with plants and seedlings in the greenhouse do not dry out.
- Sow broad beans, onions, peas, lettuce, cabbage, spinach, parsley, carrots, parsnips, radishes and spring onions.
- Sprout maincrop potatoes and plant sprouted tubers of early varieties.
- Plant asparagus, Jerusalem artichokes, onion sets and garlic.
- Make the first outdoor sowings of culinary and salad herbs.
- Finish pruning and planting fruit bushes such as autumn-fruiting raspberries.
- Graft apples and pears.
- Continue greasebands until end of the month.
- Cover ground under pear trees with carpet mulch to prevent pear midges.
- If frosty, protect blossom with sacks or fleece.
- Inspect raspberry canes for signs of raspberry moth and other pests and diseases.
- Prune plum trees once they have started growing.